According to MSNBC, Russia has until December to try and establish radio contact with the unmanned space craft. In doing this, authorities could put the probe back on its course to Mars.

However, if the attempt to salvage the mission is unsuccessful, there will be concerns over the 14.5 ton-craft falling to Earth. In particular, there is already a worry that the large amount of highly toxic fuel the craft is carrying could pose a threat to people on the ground.